diff --git a/ChangeLog.d/fix-iar-compiler-warnings.txt b/ChangeLog.d/fix-iar-compiler-warnings.txt
new file mode 100644
index 0000000..50f1dca
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+++ b/ChangeLog.d/fix-iar-compiler-warnings.txt
@@ -0,0 +1,2 @@
+Bugfix
+   * Fix IAR compiler warnings. Fixes #7873, #4300.